#63B82B#63B82B

#63B82B is a light, vivid yellow-green. Relative luminance 0.371; OKLCH L 70.2% C 0.190 H 136.0°. Best body text is #000000 at 8.42:1 contrast (WCAG AA passes).

Color values

HEX	#63B82B
RGB	rgb(99, 184, 43)
HSL	hsl(96, 62%, 45%)
HSV	hsv(96, 77%, 72%)
CMYK	cmyk(46.2%, 0%, 76.6%, 27.8%)
CIE-LAB	lab(67.36, -48.98, 59.09)
CIE-LCH	lch(67.36, 76.75, 129.66°)
OKLab	oklab(70.23% -0.1365 0.1318)
OKLCH	oklch(70.23% 0.19 136)
XYZ	xyz(22.7215, 37.1066, 8.2501)
Luminance	0.3711 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63B82B #802BB8

analogous

#AAB82B #63B82B #2BB839

triadic

#63B82B #2B63B8 #B82B63

tetradic

#63B82B #2BAAB8 #802BB8 #B8392B

square

#63B82B #2BAAB8 #802BB8 #B8392B

split-complementary

#63B82B #392BB8 #B82BAA

monochromatic

#2E5514 #48861F #63B82B #82D54B #A4E17D

Accessibility & contrast

On white

2.49

#63B82B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.42

#63B82B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63B82B

8.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63B82B	#FFFFFF	#000000	##000000
##63B82B	1.00	2.49	8.42	8.42
#FFFFFF	2.49	1.00	21.00	21.00
#000000	8.42	21.00	1.00	1.00
##000000	8.42	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BFA806

Deuteranopia (green-blind)

#B3A13A

Tritanopia (blue-blind)

#5FB19D

Achromatopsia (no color)

#A4A4A4

Design tokens & code

CSS

--color: #63b82b;
/* rgb */ color: rgb(99, 184, 43);
/* oklch */ color: oklch(70.2% 0.190 136.0);

Tailwind

colors: {
  custom: {
    50: '#97ce6f',
    500: '#63b82b',
    950: '#000000',
  },
}

SCSS

$custom: #63b82b;
$custom-light: #97ce6f;
$custom-dark: #000000;

JSON

{
  "hex": "#63b82b",
  "rgb": {
    "r": 99,
    "g": 184,
    "b": 43
  },
  "hsl": {
    "h": 96.17,
    "s": 62.115,
    "l": 44.51
  },
  "oklch": {
    "l": 0.70228,
    "c": 0.18973,
    "h": 136
  },
  "luminance": 0.37108
}

Semantic roles & 50–950 ramp

primary

#63B82B

secondary

#A876C9

accent

#43E5A5

background

#F9FCF7

surface

#F2F9ED

border

#CCD2C8

text

#0E1408

muted

#7E827B

Preview Lab

Preview with #63B82B

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →